The NC1.5WH6 Halogen-Free Wiring Duct Cover features a non-slip liner to prevent cover slide. Designed with the user in mind, the cover is easy to install and remove. A special-purpose material is for use in halogen-free or high-temperature applications. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95°C (203°F). Halogen-Free, Polyphenylene Oxide (PPO). 0.35" x 1.25" (8.9 mm x 31.8 mm) and 6' (1.83 m) long. Color White. 6 per package.